<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style>
			table{
				border-spacing:0;
				/*border-collapse:collapse;*/
				empty-cells: hide;
				table-layout: fixed;
			}
			.col1{background: red;}
			.col2{background: blue;}
			.col3{background: pink;}
			.caption{caption-side:left;}
		</style>
	</head>
	<body>
		<table border="1" >
			<col span="1" class="col1"/>
			<col span="1" class="col2"/>
			<col span="1" class="col3"/>
			<caption>项目增补单</caption>
			<th width="100">Header</th><th width="100">HeaderHeaderHeader</th><th width="100">HeaderHeader</th><th width="100">HeaderHeaderHeader</th>
			
			<tbody><td>Data</td><td>Data</td><td></td></tbody>
		</table>
	</body>
</html>
